<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Insert title here</title>
</head>
<body>
   <div>
     <ul>
      <li><a href="users/add_user.html" target="main">增加用户</a></li>
      <li><a href="users/list_user.html" target="main">查询用户</a></li>
     </ul>
   </div>
     <div>
     <ul>
      <li><a href="users/add_group.html" target="main">增加组</a></li>
      <li><a href="users/list_group.html" target="main">查询组</a></li>
     </ul>
   </div>
</body>
</html>